- Make the graph smart enough to not draw points (symbols) on every value if it makes the points overlap.
If a plot is set to have points, the apperance of the plot will depend on how densely the points are. If the density is so high that there is no room left between the point graphics the plot line will instead look like a thick line without points. This often defeats the purpose of the points - namely to make it possible to distinguish between plots...(if you have enough plots color and/or line style may not be enough, and points are often safer bets than color or dotted lines).
Yes - you can achieve this yourself by decimating the data, however this will reduce the amount of information in the plot that could have been included if the graph just left out some of the point graphics.
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